This is a large data set of news items and their respective social feedback on multiple platforms: Facebook, Google+ and LinkedIn.
The collected data relates to a period of 8 months, between November 2015 and July 2016, accounting for about 100,000 news items on four different topics: economy, microsoft, obama and palestine.
This data set is tailored for evaluative comparisons in predictive analytics tasks, although allowing for tasks in other research areas such as topic detection and tracking, sentiment analysis in short text, first story detection or news recommendation.

Further details on the process of building the data set are provided in the article mentioned in the 'Relevant Papers' section.

An .R file is provided to provide a simple introduction to handling the data set.

IDLink (numeric): Unique identifier of news items
Title (string): Title of the news item according to the official media sources
Headline (string): Headline of the news item according to the official media sources
Source (string): Original news outlet that published the news item
Topic (string): Query topic used to obtain the items in the official media sources
PublishDate (timestamp): Date and time of the news items' publication
SentimentTitle (numeric): Sentiment score of the text in the news items' title
SentimentHeadline (numeric): Sentiment score of the text in the news items' headline
Facebook (numeric): Final value of the news items' popularity according to the social media source Facebook
GooglePlus (numeric): Final value of the news items' popularity according to the social media source Google+
LinkedIn (numeric): Final value of the news items' popularity according to the social media source LinkedIn

IDLink (numeric): Unique identifier of news items
TS1 (numeric): Level of popularity in time slice 1 (0-20 minutes upon publication)
TS2 (numeric): Level of popularity in time slice 2 (20-40 minutes upon publication)
TS... (numeric): Level of popularity in time slice ...
TS144 (numeric): Final level of popularity after 2 days upon publication